For this lesson, each group will need a Universal Indicator pH Color Chart. Print enough pages of these charts on a color printer so that each group can have its own chart. Each group will also need ...

Save guides, add subjects and pick up where you left off with your BBC account. Pure water is neutral. However, water comes from different sources, like tap water or river water. These water ...

and you can easily read the pH value using the included pH indicator chart. Versatile Applications: These pH test strips are ideal for various environments, including drinking water, aquariums ...

This demonstration provides a clear, visual introduction to one of the important consequences of increasing atmospheric carbon dioxide concentrations on seawater, called ocean acidification.

As part of the school’s program of academic enrichment, pupils from year 9 and year 10 joined forces to create a giant pH-indicator chart. Working in pairs, each pair made a different indicator from ...